Hi student
The Compulsary subjects for commerce are
Englsih
Accountancy
Bussiness Studies
Economics
And one optional subject, many students tend to take up easy ones for marks but I would suggest you take Maths as it will be very beneficial.
Good Luck !!!

Hello mrunal following are the subjects for 11th commerce

English as compulsory

accountancy compulsory

economics compulsory

maths optional

secraterial practice optional

IT optional

there is also one specialisation language which maybe any foriegn language!! 

all the best